@charset "UTF-8";
.c {
  width: 1200px;
  margin: auto; }

html, body {
  margin: 0;
  padding: 0;
  font-family: Arial;
  font-size: 14px; }

:root {
  --ct:#567bea;
  --ch:#ff7b14; }

a {
  text-decoration: none; }

.head {
  height: 60px;
  background: var(--ct);
  border-bottom: 1px solid rgba(239, 239, 239, 0.2);
  color: #e9e9e9; }
  .head .title {
    font-size: 24px;
    font-weight: bold; }
  .head .nv {
    font-size: 16px;
    padding: 0 30px;
    cursor: pointer;
    transition: color .2s;
    color: #e9e9e9; }
    .head .nv:hover {
      color: var(--ch); }

.topXC {
  height: 600px;
  background: var(--ct);
  font-family: Arial 宋体; }
  .topXC h3 {
    font-size: 38px;
    color: #ffffff;
    font-weight: normal;
    letter-spacing: 10px;
    margin: 180px 0 30px; }
  .topXC p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 18px;
    letter-spacing: 2px; }
  .topXC .download {
    padding: 15px 30px;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.8);
    margin: 40px 8px 0;
    cursor: pointer;
    display: block;
    letter-spacing: 2px;
    transition: all .3s; }
    .topXC .download:hover {
      background: #fff;
      color: #567bea; }

.tutorial .hed {
  font-size: 26px;
  text-align: center;
  margin: 60px 0 40px; }
.tutorial .title {
  font-size: 22px; }
.tutorial .img {
  text-align: center; }
.tutorial p {
  margin: 15px 0;
  font-size: 18px; }

.with p {
  line-height: 30px;
  color: #666666; }
.with span {
  display: block; }

.case .lv {
  width: 320px;
  height: 280px;
  border: 1px solid #eeeeee;
  cursor: pointer;
  margin: 0 15px;
  transition: box-shadow .3s; }
  .case .lv a {
    display: block;
    padding: 20px 0;
    color: #fff;
    font-weight: bold;
    font-size: 20px;
    text-align: center;
    background: #567bea; }
  .case .lv p {
    padding: 15px; }
  .case .lv span {
    display: inline;
    background: #f3ca73;
    color: #ffffff;
    margin: 0 2px; }
  .case .lv:hover {
    box-shadow: 0 0 30px #e8e8e8; }

footer {
  text-align: center;
  line-height: 24px;
  color: #666;
  margin-top: 60px; }
  footer .c {
    padding: 60px 0 40px;
    border-top: 1px solid #efefef; }

.gotop {
  position: fixed;
  display: block;
  width: 40px;
  height: 40px;
  border-radius: 20px;
  background: #567bea;
  color: #ffffff;
  bottom: 15%;
  right: 80px;
  text-align: center;
  line-height: 40px;
  cursor: pointer; }

.header {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%; }

.logs {
  width: 800px;
  border: 1px solid #cbcbcb;
  padding: 30px;
  margin: auto; }

.codes.top60 {
  margin-top: 60px; }
.codes .title {
  text-align: center;
  padding: 60px 40px;
  font-size: 28px; }
